From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/soc/soc-ops.c | 87 +++++++++++++++++++------------------------
1 files changed, 38 insertions(+), 49 deletions(-)
diff --git a/kernel/sound/soc/soc-ops.c b/kernel/sound/soc/soc-ops.c
index f5dcd62..daecd38 100644
--- a/kernel/sound/soc/soc-ops.c
+++ b/kernel/sound/soc/soc-ops.c
@@ -63,11 +63,8 @@
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, item;
unsigned int reg_val;
- int ret;
- ret = snd_soc_component_read(component, e->reg, ®_val);
- if (ret)
- return ret;
+ reg_val = snd_soc_component_read(component, e->reg);
val = (reg_val >> e->shift_l) & e->mask;
item = snd_soc_enum_val_to_item(e, val);
ucontrol->value.enumerated.item[0] = item;
@@ -136,10 +133,7 @@
int ret;
unsigned int val;
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
+ val = snd_soc_component_read(component, reg);
val = (val >> shift) & mask;
if (!sign_bit) {
@@ -323,7 +317,7 @@
mask = BIT(sign_bit + 1) - 1;
val = ucontrol->value.integer.value[0];
- if (mc->platform_max && val > mc->platform_max)
+ if (mc->platform_max && ((int)val + min) > mc->platform_max)
return -EINVAL;
if (val > max - min)
return -EINVAL;
@@ -336,7 +330,7 @@
val = val << shift;
if (snd_soc_volsw_is_stereo(mc)) {
val2 = ucontrol->value.integer.value[1];
- if (mc->platform_max && val2 > mc->platform_max)
+ if (mc->platform_max && ((int)val2 + min) > mc->platform_max)
return -EINVAL;
if (val2 > max - min)
return -EINVAL;
@@ -395,19 +389,12 @@
int min = mc->min;
unsigned int mask = (1U << (fls(min + max) - 1)) - 1;
unsigned int val;
- int ret;
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
+ val = snd_soc_component_read(component, reg);
ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, reg2, &val);
- if (ret < 0)
- return ret;
-
+ val = snd_soc_component_read(component, reg2);
val = ((val >> rshift) - min) & mask;
ucontrol->value.integer.value[1] = val;
}
@@ -445,7 +432,7 @@
val = ucontrol->value.integer.value[0];
if (mc->platform_max && val > mc->platform_max)
return -EINVAL;
- if (val > max - min)
+ if (val > max)
return -EINVAL;
if (val < 0)
return -EINVAL;
@@ -458,8 +445,15 @@
return err;
if (snd_soc_volsw_is_stereo(mc)) {
+ val2 = ucontrol->value.integer.value[1];
+
+ if (mc->platform_max && val2 > mc->platform_max)
+ return -EINVAL;
+ if (val2 > max)
+ return -EINVAL;
+
val_mask = mask << rshift;
- val2 = (ucontrol->value.integer.value[1] + min) & mask;
+ val2 = (val2 + min) & mask;
val2 = val2 << rshift;
err = snd_soc_component_update_bits(component, reg2, val_mask,
@@ -523,7 +517,15 @@
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val, val_mask;
- int err, ret;
+ int err, ret, tmp;
+
+ tmp = ucontrol->value.integer.value[0];
+ if (tmp < 0)
+ return -EINVAL;
+ if (mc->platform_max && tmp > mc->platform_max)
+ return -EINVAL;
+ if (tmp > mc->max - mc->min)
+ return -EINVAL;
if (invert)
val = (max - ucontrol->value.integer.value[0]) & mask;
@@ -538,6 +540,14 @@
ret = err;
if (snd_soc_volsw_is_stereo(mc)) {
+ tmp = ucontrol->value.integer.value[1];
+ if (tmp < 0)
+ return -EINVAL;
+ if (mc->platform_max && tmp > mc->platform_max)
+ return -EINVAL;
+ if (tmp > mc->max - mc->min)
+ return -EINVAL;
+
if (invert)
val = (max - ucontrol->value.integer.value[1]) & mask;
else
@@ -580,12 +590,8 @@
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val;
- int ret;
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
+ val = snd_soc_component_read(component, reg);
ucontrol->value.integer.value[0] = (val >> shift) & mask;
if (invert)
ucontrol->value.integer.value[0] =
@@ -595,10 +601,7 @@
ucontrol->value.integer.value[0] - min;
if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, rreg, &val);
- if (ret)
- return ret;
-
+ val = snd_soc_component_read(component, rreg);
ucontrol->value.integer.value[1] = (val >> shift) & mask;
if (invert)
ucontrol->value.integer.value[1] =
@@ -624,23 +627,16 @@
int snd_soc_limit_volume(struct snd_soc_card *card,
const char *name, int max)
{
- struct snd_card *snd_card = card->snd_card;
struct snd_kcontrol *kctl;
struct soc_mixer_control *mc;
- int found = 0;
int ret = -EINVAL;
/* Sanity check for name and max */
if (unlikely(!name || max <= 0))
return -EINVAL;
- list_for_each_entry(kctl, &snd_card->controls, list) {
- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
- found = 1;
- break;
- }
- }
- if (found) {
+ kctl = snd_soc_card_get_kcontrol(card, name);
+ if (kctl) {
mc = (struct soc_mixer_control *)kctl->private_value;
if (max <= mc->max) {
mc->platform_max = max;
@@ -872,12 +868,9 @@
long val = 0;
unsigned int regval;
unsigned int i;
- int ret;
for (i = 0; i < regcount; i++) {
- ret = snd_soc_component_read(component, regbase+i, ®val);
- if (ret)
- return ret;
+ regval = snd_soc_component_read(component, regbase+i);
val |= (regval & regwmask) << (regwshift*(regcount-i-1));
}
val &= mask;
@@ -959,12 +952,8 @@
unsigned int mask = 1 << shift;
unsigned int invert = mc->invert != 0;
unsigned int val;
- int ret;
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
+ val = snd_soc_component_read(component, reg);
val &= mask;
if (shift != 0 && val != 0)
--
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